JP4991240B2 - Antenna wiring support method and system - Google Patents

Description

  The present invention relates to a technique for supporting antenna wiring in an RFID system.

  As a technique for automatically creating configuration information of devices connected to the system, for example, Patent Document 1 is known. In this document, since the central control unit attempts to read configuration information for all access paths to the input / output device, it is disclosed that an appropriate configuration information table is created no matter how the input / output device is connected. Has been.

  On the other hand, there is an RFID system technology that wirelessly communicates with an RFID (Radio Frequency Identification) tag, reads data from an RFID tag attached to the article, and confirms the presence of the article (Patent Document 2).

  An application example of this RFID system is a smart shelf. In this method, a large number of antennas are arranged on a shelf, and an RFID tag attached to an article placed on the shelf is read out from the antenna, thereby managing the article placed on the shelf.

  In general, in an RFID system, control is performed so that there is one antenna emitting radio waves at a certain moment. However, in an RFID system consisting of a large number of antennas such as a smart shelf, it takes a lot of time to drive all the antennas sequentially. By simultaneously driving with a plurality of readers, the scan time is shortened.

  Therefore, in order to build a smart shelf system, (1) the antenna drive sequence on the shelf is determined based on the system design, and (2) the antenna and the reader are connected so that the antennas that are driven simultaneously are connected to different readers. (3) The control terminal needs to be set to drive the reader so that the antenna is driven according to the drive sequence determined at the beginning.

JP-A-5-28088 JP 2005-157645 A

  Conventionally, in order to construct an RFID system using a large number of antennas and readers, wiring work between the two and setting on the control terminal is performed based on configuration information for managing the wiring between the antennas and readers. As the number of antennas and readers increases, the wiring work based on the configuration information becomes very complicated, and there is a problem that the system malfunctions even if the wiring is wrong. For this reason, there can be considered a method in which wiring is appropriately connected as in Patent Document 1 and configuration information is automatically created later. However, configuration information cannot be recorded in an antenna like an input / output device.

  Even if such configuration information can be automatically created, there are the following problems. Since one reader can drive only one antenna at a time, when driving a plurality of antennas simultaneously, it is necessary to connect these antennas to different readers. However, if the antenna and the reader are appropriately connected, there is a possibility that the antenna to be driven simultaneously is connected to the same reader.

  Accordingly, an object of the present invention is to provide an antenna wiring support method capable of improving the efficiency of wiring work of an antenna at the time of system construction using an RFID device and preventing the occurrence of a wiring mistake, and the system thereof. is there.

  The present invention is an RFID system antenna wiring support method comprising a plurality of antennas, a plurality of readers that drive the antennas, and a control terminal that controls the readers. During normal operation of the RFID system, The antenna is controlled based on drive sequence information indicating a combination of antenna logical names of one or more antennas that are driven simultaneously, and antenna configuration information indicating a correspondence relationship between the antenna logical name and the access path. A calibration tag in which the antenna logical name is written on the antenna is installed, and the control terminal drives a plurality of readers, reads out the calibration tag from the plurality of antennas, creates antenna configuration information, and creates the created antenna. Provides an antenna wiring support method that compares configuration information and drive sequence information, and instructs rewiring of the antenna if there is a contradiction .

  The present invention is an antenna wiring support system for an RFID system comprising a plurality of antennas, a plurality of readers for driving the antennas, and a control terminal for controlling the readers, and the control terminals are simultaneously operated during operation of the RFID system. A reader control unit that controls the antenna based on driving sequence information indicating a combination of antenna logical names of one or more antennas to be driven, antenna configuration information indicating a correspondence relationship between the antenna logical name and the access path, and an RFID system At the time of construction, a configuration information generation unit that drives a plurality of readers, reads a calibration tag in which an antenna logical name installed on the antenna is written, and generates antenna configuration information; and a configuration information generation unit Compare the generated antenna configuration information with the drive sequence information. An antenna wiring support system having a recognition unit is provided.

  That is, the control terminal that controls the reader has drive sequence information that describes a combination of antenna logical names of one or more antennas that are driven simultaneously, and antenna configuration information that describes the correspondence between the antenna logical names and access paths of each antenna. And controls each antenna based on drive sequence information and antenna configuration information during normal operation.

  At the time of system construction, antenna configuration information is automatically created by installing calibration tags with antenna logical names written on each antenna, driving all readers, and reading calibration tags from all antennas. The drive sequence information is compared with the automatically created antenna configuration information, and if there is a contradiction, an antenna rewiring instruction is displayed.

  As a method of confirming this contradiction, preferably, when the antenna logical names of two or more antennas that describe the setting for simultaneous driving in the drive sequence information are associated with the same R / W number in the antenna configuration information, Consider contradiction.

  Preferably, the antenna rewiring instruction generates an antenna logical name replacement operation so that the contradiction is resolved by replacing the antenna logical name described in the antenna configuration information. Displayed as a rewiring instruction for the wiring connected to the antenna.

  In addition, as a rewiring instruction for another antenna, an access path replacement operation that eliminates the contradiction by replacing the antenna access path described in the antenna configuration information is generated, and the generated replacement operation is performed. Displayed as a rewiring instruction for the wiring connected to the reader.

  Improve the efficiency of antenna wiring work when building a system that uses RFID devices that use a large number of antennas and readers, such as smart shelves, and prevent wiring errors.

  Hereinafter, specific embodiments of an RFID antenna wiring support system according to the present invention will be described with reference to the drawings.

  First, an RFID antenna wiring support system (hereinafter referred to as the present system) according to the first embodiment will be described. This antenna wiring support system supports the antenna wiring work of a smart shelf, which is a product display shelf having an intelligent function, as shown in FIG. Specifically, when the wiring of the antenna line performed by the user is wrong, a rewiring instruction is presented to the user as an antenna line replacement operation.

  Antennas A1 to A9 are installed on the smart shelf, and readers R1 to R3 are driven by the antennas. In FIG. 1, for convenience of drawing, the antenna wire connecting the reader and the antenna is shown as one, but in reality, each reader has three antenna ports, and each antenna port and the antennas A1 to A9. Are connected one-to-one with a total of nine antenna wires. Reference numeral 1 denotes a calibration tag. Each reader R1 to R3 is connected to the control terminal T1 by an RS-232C (Recommended Standard 232 version C) cable, and this smart shelf is driven by the control terminal T1. In the figure, a1 to a9 indicate antenna logical names as will be described later.

  Next, FIG. 2 shows an embodiment of the control terminal T1 of this system. A display 31, a keyboard 32, and a mouse 33 are connected as external input / output devices to the control terminal T1, and the user operates the control terminal T1 using these external input / output devices. The reader control unit 21 transmits a drive instruction to the readers R1 to R3, and receives data read by the antenna from the readers R1 to R3. The configuration information generation unit 22 regards the data read from the calibration tag 1 as the antenna logical names a1 to a9, and associates the antenna access path (reader / writer (R / W) number, antenna port number) with the antenna logical name. Create a relationship.

  This correspondence is registered in the antenna configuration information table 11. The antenna configuration information table 11 is a table including an R / W number 111, an antenna port 112, and an antenna logical name 113 as shown in FIG. 6 as an example. The R / W number 111 and the antenna port 112 correspond to access paths. To do.

  Needless to say, the control terminal T1 can be configured by a normal computer, and a central processing unit (CPU) in the computer stores a program stored in a storage unit (configured by a memory and a storage device). By executing this, a reader control unit 21, a configuration information generation unit 22, and a configuration information confirmation unit 23 are configured. Of course, these functional blocks may be configured by hardware. The drive sequence information table 10, the antenna configuration information table 11, and the miswiring information table 12 are stored in the storage unit.

  Now, as shown in FIG. 3, the drive sequence information table 10 is a table composed of a sequence number 101 and an antenna logical name 102. The combination of antennas that are simultaneously driven is described in the antenna logical name 102 of each entry. For example, since (a1, a5, a7) is described in the first entry in FIG. 3, the antennas having these antenna logical names are simultaneously driven in the first drive sequence, and (a2, a3, Simultaneously drive antennas with a8) as the antenna logical name.

  The configuration information confirmation unit 23 compares the drive sequence information table 10 with the antenna configuration information table 11 and confirms whether there is a contradiction in the settings. Here, when a plurality of antenna logical names described in the same entry of the drive sequence information table 10 are associated with the same R / W number 111 in the antenna configuration information table 11, it is considered that there is a contradiction. For example, antenna logical names (a1, a5, a7) are registered as the first sequence in the drive sequence information table 10 in FIG. 3, but in the antenna configuration information table 11-1 in FIG. Since both a5 are associated with the reader with R / W number “1”, there is a conflict between the two tables.

  When there is this contradiction, the configuration information confirmation unit 23 generates a replacement operation that eliminates the contradiction by replacing the antenna logical name 113 registered in each entry of the antenna configuration information table 11, and the generated replacement Create rewiring instructions for wiring connected to antenna from operation. The erroneous wiring information table 12 is used when generating this replacement operation, and details will be described later.

  Next, a method of using the RFID antenna wiring support system of the first embodiment will be described with reference to the flow shown in FIG. First, the user appropriately wires between the antenna and the reader. Since wiring is performed appropriately here, there is a possibility of erroneous wiring (S101).

  Subsequently, the user installs the calibration tag 1 described above on the antennas A1 to A9. The antenna tags a1 to a9 written on the tag body are printed on the calibration tag 1, and the antenna logic names a1 to a9 can be confirmed from the appearance of the calibration tag 1. When the user installs the calibration tag 1 on the antenna, the antenna logical names a1 to a9 are set for the antenna. For example, when the calibration tag 1 is installed as shown in FIG. 1, the logical names a1 to a9 are set for the antennas A1 to A9, respectively.

  After determining the antenna logical name of each antenna, the user registers the antenna drive sequence in the drive sequence information table 10. Here, the antenna logical names of the antennas that are driven simultaneously are described in the same entry of the drive sequence information table 10. For example, the contents are set as shown in FIG. In this example, in order to avoid radio wave interference, adjacent antennas are set not to be driven simultaneously (S102).

  Next, the user performs a wiring check using this system. This step is an essential part of the present system, but only an overview will be described here and details will be described later. The configuration information generation unit 22 generates a correspondence relationship between the antenna access path (R / W number, antenna port number) and the antenna logical names a1 to a9 from the calibration tag 1 installed in S102, and stores it in the antenna configuration information table 11. Record. Then, the configuration information confirmation unit 23 compares the drive sequence information table 10 registered by the user with the antenna information table 11 in S102, and confirms whether there is any contradiction. If there is a contradiction, a rewiring instruction is created and displayed (S103).

  When the rewiring instruction is displayed in S103, the user performs rewiring according to the rewiring instruction. After completion of the rewiring work, the process returns to S103, and a wiring check is performed using this system. Here, in consideration of the possibility that the user may make a mistake in the above rewiring work, rechecking is performed using this system (S105). The user repeats the above operation until the rewiring instruction is not displayed.

  Next, the operation of the system in step S103 will be described with reference to the flow shown in FIG.

  The reader control unit 21 sequentially drives all the antennas connected to this system, and acquires the data of the calibration tag 1 from all the antennas. The configuration information generation unit 22 regards the data of the calibration tag 1 acquired by the reader control unit 21 as the antenna logical name, and associates the antenna access path (R / W number, antenna port number) with the antenna logical names a1 to a9. The relationship is registered in the antenna configuration information table 11. For example, if the data read when accessing the access path (R / W number, antenna port number) = (1, 2) is “a2”, as shown in FIG. 6, R in the antenna configuration information table 11 Register 1 for the / W number, 2 for the antenna port, and “a2” for the antenna logical name. When all the correspondences are registered, a table as shown in FIG. 6 is completed.

  In this process, the reader control unit 21 drives all the antennas, but in order to drive all the antennas, it is necessary to know the access paths of all the antennas in advance. This can be solved by registering the access path range (range of R / W number and antenna port number) in the reader control unit 21 in advance. That is, the reader control unit 21 generates all possible access paths from the range of access paths registered in advance, and tries to drive the antenna for these access paths. If an antenna is not connected to the access path you tried to drive, the calibration tag 1 cannot be read, so the correspondence between the access path and the antenna logical name can only be read if the calibration tag can be read. Register in the configuration information table 11.

  In addition, when the control terminal T1 has a function to acquire a list of R / W numbers of readers connected to itself, or a function to acquire a list of antenna port numbers of antennas to which the reader is connected. If so, the range of the access path may be generated using these functions (S201).

  Since the antennas corresponding to the antenna logical names assigned to the same sequence number in the drive sequence information table 10 are driven simultaneously, it is necessary to connect to different readers. Therefore, if two or more antenna logical names assigned to the same sequence number in the drive sequence information table 10 are associated with the same R / W number in the antenna configuration information table 11, it is regarded as an incorrect wiring. The configuration information confirmation unit 23 confirms the entries in the drive sequence information table 10 one by one, and if there is an entry that matches this condition, creates one entry in the erroneous wiring information table 12 from that entry.

  As shown in FIG. 7, the miswiring information table 12 includes a miswiring antenna logical name 121, a miswiring R / W number 122, and a wiring prohibiting R / W number 123. In the miswiring antenna logical name 121, a combination of antenna logical names in which miswiring is detected is registered. That is, combinations of antenna logical names that are assigned to the same sequence number in the drive sequence information table 10 and are associated with the same R / W number in the antenna configuration information table 11 are registered. In the incorrect wiring R / W number 122, the R / W number associated with the antenna logical name registered in the erroneous wiring antenna logical name 121 in the antenna configuration information table 11 is registered.

  In the wiring prohibition R / W number 123, an R / W number that cannot be rewired when the antenna logical name registered in the miswiring antenna logical name 121 is rewired is registered. That is, among all the antenna logical names registered in the entry of the drive sequence information table 10 in which the antenna logical name registered in the miswiring antenna logical name 121 is not registered in the miswiring antenna logical name 121 The R / W number associated with the antenna logical name in the antenna configuration information table 11 is registered.

  As an example, the operation will be described by taking as an example the case where the drive sequence information table 10 and the antenna configuration information table 11 have the contents shown in FIGS. First, the configuration information confirmation unit 23 extracts a list of antenna logical names (a1, a5, a7) from the antenna logical name 102 of the first entry in the drive sequence information table 10. Next, referring to the antenna configuration information table 11, the R / W number corresponding to each antenna logical name is acquired. In this case, the correspondence between the acquired antenna logical name and R / W number is (antenna logical name, R / W number) = ((a1, 1), (a5, 1) (a7, 2)) Become. Here, since the antenna logical names “a1” and “a5” both correspond to the R / W number 1, an entry in the miswiring information table 12 is created.

  The configuration information confirmation unit 23 registers the antenna logical names “a1” and “a5” corresponding to the same R / W number in the miswiring antenna logical name 121 of the miswiring information table 12, and these antenna logical names are associated with each other. R / W number 1 is registered in R / W number 122 for miswiring. Of the correspondence created above, the antenna logical name that is not registered in the miswiring antenna logical name 121 is (antenna logical name, R / W number) = (a7, 2). The R / W number 2 included in this correspondence is registered in the wiring prohibition R / W number 123. Thus, one entry of the miswiring information table 12 is created.

  Subsequently, the configuration information confirmation unit 23 performs the same process for the second and subsequent entries registered in the drive sequence information table 10. Entries in the miswiring information table 12 are created. As a result, the contents of the miswiring information table 12 are as shown in FIG. 7 (S202). In S202, an entry is registered in the miswiring information table 12, so that miswiring exists. Therefore, the next step is S204 (S203).

  In this step S204, a replacement operation for eliminating the erroneous wiring registered in the first entry of the erroneous wiring information table 12 is generated. The configuration information confirmation unit 23 extracts the incorrect wiring R / W number 122 and the wiring prohibited R / W number 123 from the first entry of the erroneous wiring information table 12, and the R / W numbers other than these R / W numbers are incorrect. The entry registered in the wiring R / W number 122 is searched from the erroneous wiring information table 12. In this case, since the R / W number extracted from the first entry of the miswiring information table 12 is (1, 2), these R / W numbers are not registered in the miswiring R / W number 122. The second entry is searched.

  Therefore, the miswiring of the first entry is eliminated by pair-substituting the miswiring antenna logical name 121 registered in the first entry and the second entry. The antenna logical name (a1, a5) is registered in the erroneous wiring antenna logical name 121 of the first entry, and the antenna logical name (a3, a8) is registered in the erroneous wiring antenna logical name 121 of the second entry. Therefore, one candidate antenna logical name is extracted from each entry. For example, the antenna logical name “a1” is extracted from the first entry, and the antenna logical name “a3” is extracted from the second entry. The replacement operation of the extracted antenna logical names (a1, a3) is the wiring replacement operation on the antenna side.

  Next, a wiring replacement operation on the antenna port side of the reader is obtained. Search the antenna configuration information table 11 for the entry in which the antenna logical name that is the replacement operation target obtained above is registered, and find the antenna access path (R / W number, antenna port number) corresponding to each antenna logical name. Extract. In this case, the access path (R / W number, antenna port number) = (1, 1) is extracted for the antenna logical name “a1”, and the access path (R / W number, (Antenna port number) = (3, 1) is extracted. The replacement operation of the extracted access path pair (R / W number, antenna port number) = ((1, 1), (3, 1)) is the wiring replacement operation on the antenna port side of the reader.

  Subsequently, the configuration information confirmation unit 23 replaces the antenna logical name 113 in the antenna configuration information table 11 based on the antenna logical name replacement operation obtained above. In this case, the antenna logical name “a1” and the antenna logical name “a3” are replaced. The contents of the antenna configuration information table after replacement are as shown in FIG. 8 (S204).

  The process returns to S202. The configuration information confirmation unit 23 once clears the miswiring information table. Then, the drive sequence information table 10 and the antenna configuration information table 11 are compared in the same procedure as described above, and if an incorrect wiring is found, the entry is added to the incorrect wiring information table 12.

  In this case, since the drive sequence information table 10 has the contents shown in FIG. 3 and the antenna configuration information table 11 has the contents shown in FIG. 8, the erroneous wiring information table 12 shown in FIG. 9 is finally generated ( S202). In S202, an entry is registered in the miswiring information table 12, so that miswiring still exists. Therefore, the next step is S204 (S203).

  The configuration information confirmation unit 23 creates a wiring replacement operation on the antenna side and a wiring replacement operation on the antenna port side of the reader in the same procedure as described above. In this case, since the miswiring information table 12 has the contents shown in FIG. 9, the miswiring antenna logical name (a2, a3) registered in the first entry of the miswiring information table 12 and the second entry are registered. The candidate antenna logical names are extracted one by one from the erroneously wired antenna logical names (a4, a6). For example, here, the antenna logical name “a2” is extracted from the first entry, and the antenna logical name “a4” is extracted from the second entry. The replacement operation of the extracted antenna logical names (a2, a4) is the wiring replacement operation on the antenna side.

Next, a wiring replacement operation on the antenna port side of the reader is obtained. This procedure is also similar to the procedure described above. The configuration information confirmation unit 23 acquires the access path (R / W number, antenna port number) = (1, 2) corresponding to the antenna logical name “a2” from the antenna configuration information table 11-2, and the antenna logical name “ Get the access path (R / W number, antenna port number) = (2, 1) corresponding to "a4". The replacement operation of the acquired access path pair (R / W number, antenna port number) = ((1, 2), (2, 1)) is the wiring replacement operation on the antenna port side of the reader.
Subsequently, the configuration information confirmation unit 23 replaces the antenna logical name 113 in the antenna configuration information table 11 based on the antenna logical name replacement operation obtained above. In this case, the antenna logical name “a2” and the antenna logical name “a4” are replaced. The contents of the antenna configuration information table after replacement are as shown in FIG. 10 (S204).

  The process returns to S202. The configuration information confirmation unit 23 once clears the miswiring information table. Then, the drive sequence information table 10 and the antenna configuration information table 11 are compared in the same procedure as described above, and if an incorrect wiring is found, the entry is added to the incorrect wiring information table 12.

  In this case, since the drive sequence information table 10 has the contents shown in FIG. 3 and the antenna configuration information table 11 has the contents shown in FIG. 10, two or more assigned to the same sequence number in the drive sequence information table 10 There is no antenna logical name associated with the same R / W number in the antenna configuration information table 11. Therefore, the miswiring information table 12 generated in this step is empty (S202). In S202, since no entry is registered in the erroneous wiring information table 12, the next step is S205 (S203).

  Since the antenna logical name is replaced in the previous steps (S205), the next step is S206. The configuration information confirmation unit 23 displays an antenna rewiring instruction on the display 31. The work content to be instructed to the user is the wiring replacement operation on the antenna side [(a1, a3) (a2, a4)] or the wiring replacement operation on the antenna port side of the reader [(R / W number, antenna port number) = ((1, 1), (3, 1)) ((1, 2), (2, 1))].

  FIG. 11 shows an example of a rewiring work instruction screen for the user in the first embodiment. In this screen, a wiring replacement work instruction 41 on the antenna side and a wiring replacement work instruction 42 on the antenna port side of the reader are displayed side by side. The user performs wiring work by selecting whichever is easier to use. In FIG. 11, the replacement work that has been performed is displayed as “Done” in the status column 43, and the indicator 44 indicates the wiring replacement work to be performed next. When one set of wiring replacement work is completed, the user presses the “next” button 45. Then, the status column 43 of the work indicated by the indicator 44 is changed to “Done”, and the indicator 44 moves down one line. This screen allows the user to carry out the work reliably without making a mistake in the order of the wiring work (S206).

  If it is determined in step S205 that there is no contradiction in the contents of the antenna configuration information table 11 from the beginning, the configuration information confirmation unit 23 displays on the display 31 the reason that the antenna wiring is normal (S207).

  As described above, in the first embodiment, the antenna installation location on the shelf is shown in FIG. 1, but the present invention is not limited to this, and the installation location may be arbitrary. In this embodiment, the number of antennas is nine and the number of readers is three. However, the number of antennas and readers may be arbitrary. In this embodiment, the user installs the calibration tag 1 on the antenna at the time of system construction. However, the antenna may have the calibration tag 1 from the beginning.

  If an antenna with its own identifier is prepared and the reader can read this identifier, the calibration tag 1 need not be installed. In this case, in the antenna configuration information generation process in step S201, identifiers are read from all antennas, and a correspondence relationship between the access path of the antenna and the identifier is generated. Other processes are not different from those described so far.

  The inventors of the present application have already filed Japanese Patent Application No. 2006-37587 as an invention using a calibration RFID tag regarding the RFID antenna connection technology (filed on February 15, 2006). In order to provide a technology in which interference does not occur even when a plurality of RFID antennas are used at the same time, a calibration RFID tag is attached to each RFID antenna, and the RFID RFID for calibration is read from each RFID antenna that has been read simultaneously. Based on whether the information held by the tag can be read or not, obtain a combination of RFID antennas that are problematic for simultaneous use, create a procedure for using RFID antennas that are not used simultaneously, and operate each RFID antenna accordingly It is.

1 is an overall configuration diagram of a smart shelf system in a first embodiment of the present invention. The block diagram of the control terminal in a 1st Example. The figure which shows an example of the drive sequence information table in a 1st Example. The figure which shows the flow of the utilization method of the RFID antenna wiring assistance system in a 1st Example. The figure which shows the flow of the internal operation | movement of the RFID antenna wiring assistance system in a 1st Example. The figure which shows an example of the antenna structure information table of a 1st Example. The figure which shows an example of the miswiring information table of a 1st Example. The figure which shows an example of the antenna structure information table of a 1st Example. The figure which shows an example of the miswiring information table of a 1st Example. The figure which shows an example of the antenna structure information table of a 1st Example. The figure which shows the example of a screen of the rewiring work instruction | indication of a 1st Example.

Explanation of symbols

T1 ... Control terminal, A1 to A9 ... Antenna, a1 to a9 ... Antenna logical name, R1 to R3 ... Reader, 10 ... Driving sequence information table, 11 ... Antenna configuration information table, 12 ... Error wiring information table, 21 ... Reader control , 22 ... configuration information generation unit, 23 ... configuration information confirmation unit, 31 ... display, 32 ... keyboard, 33 ... mouse.

Claims (4)

An RFID system antenna wiring support method comprising a plurality of antennas, a plurality of readers that drive the antennas, and a control terminal that controls the readers,
During normal operation of the RFID system,
The control terminal indicates drive sequence information indicating a combination of antenna logical names of one or more antennas that are simultaneously driven, and an access path correspondence relationship including an R / W number that identifies the antenna logical name and the reader Controlling the antenna based on the antenna configuration information;
When constructing the RFID system,
Place a calibration tag with the antenna logical name written on the antenna,
The control terminal drives the plurality of readers, creates the antenna configuration information by reading the calibration tags from the plurality of antennas, compares the drive sequence information and the antenna configuration information,
When two or more antenna logical names that are set to be driven simultaneously in the drive sequence information are associated with the same R / W number in the antenna configuration information, it is considered that there is a contradiction and Antenna wiring support method for instructing rewiring. The antenna wiring support method according to claim 1,
A replacement operation of the antenna logical name is generated so that the contradiction is resolved by replacing the antenna logical name described in the antenna configuration information, and the wiring connected to the antenna is regenerated from the generated replacement operation. Creating a wiring instruction An antenna wiring support method. The antenna wiring support method according to claim 1,
Generate a replacement operation of the access path described in the antenna configuration information that can be resolved by replacing the access path, and create a replacement instruction for the wiring connected to the reader from the generated replacement operation wiring support method of <br/> antenna. An RFID system antenna wiring support system comprising a plurality of antennas, a plurality of readers that drive the antennas, and a control terminal that controls the readers ,
The control terminal
During operation of the RFID system, the drive sequence information indicating a combination of antenna logical names of one or more antennas that are driven simultaneously, and the correspondence relationship between the access path including the antenna logical name and the R / W number that identifies the reader A reader control unit for controlling the antenna based on the antenna configuration information shown;
Configuration information for driving the plurality of readers at the time of constructing the RFID system, reading out the calibration tag in which the antenna logical name installed on the antenna is written from the plurality of antennas, and generating the antenna configuration information A generator,
Compare the drive sequence information and the created antenna configuration information, two or more antenna logical names that are set to drive simultaneously in the drive sequence information,
A configuration information confirming unit that, when associated with the same R / W number in the antenna configuration information, considers that there is a contradiction and instructs rewiring of the antenna
Antenna wiring support system .

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